| Stone Ridge to Cortona | 4,435.68 mi (7,138.53 km) |
| Stone Ridge to Cosenza | 4,768.84 mi (7,674.71 km) |
| Stone Ridge to Cossato | 4,194.28 mi (6,750.03 km) |
| Stone Ridge to Costa Volpino | 4,268.43 mi (6,869.37 km) |
| Stone Ridge to Creazzo | 4,336.94 mi (6,979.62 km) |
| Stone Ridge to Crema | 4,265.79 mi (6,865.12 km) |
| Stone Ridge to Cremona | 4,288.42 mi (6,901.54 km) |
| Stone Ridge to Crevalcore | 4,350.16 mi (7,000.90 km) |
| Stone Ridge to Crispiano | 4,762.17 mi (7,663.97 km) |
| Stone Ridge to Crosia | 4,781.48 mi (7,695.05 km) |
| Stone Ridge to Crotone | 4,815.69 mi (7,750.10 km) |
| Stone Ridge to Cuneo | 4,205.02 mi (6,767.33 km) |
| Stone Ridge to Cuorgne | 4,177.55 mi (6,723.12 km) |
| Stone Ridge to Cusano Milanino | 4,238.45 mi (6,821.12 km) |
| Stone Ridge to Cutro | 4,811.70 mi (7,743.68 km) |
